diff --git a/src/pages/PostCenter/index.module.css b/src/pages/PostCenter/index.module.css
index 2b262e2..1c66ea5 100644
--- a/src/pages/PostCenter/index.module.css
+++ b/src/pages/PostCenter/index.module.css
@@ -29,10 +29,16 @@
   padding: 8px 16px;
   border-radius: 6px;
   transition: all 0.3s ease;
+  color: #000000;
+  font-weight: bold;
+
 }
 
 .categoryButton:hover {
-  background-color: #f0f0f0;
+  background: #888888;
+  color: #666;
+  font-weight: bold;
+  border: 1px solid #888888;
 }
 
 .searchContainer {